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Finding the Fourth Proportional to 260,345.96, 359,353.80 and 151,475.90

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Solution

The fourth proportional to 260,345.96, 359,353.80 and 151,475.90 is: 209,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,345.96 : 359,353.80 = 151,475.90 : x
  2. Step 2: Convert to fraction form
    260,345.96/359,353.80 = 151,475.90/x
  3. Step 3: Cross multiply
    260,345.96x = 359,353.80 × 151,475.90
  4. Step 4: Simplify right side
    260,345.96x = 54,433,440,273.42
  5. Step 5: Solve for x
    x = 54,433,440,273.42/260,345.96
  6. Step 6: Final answer
    x = 209,081.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.